class User():
    def __init__(self, first_name, last_name):
        self.first_name = first_name
        self.last_name = last_name
        # self.age = age
        # self.login_attempts = login_attempts
    def describe_user(self):
        print("User's name is "+self.first_name.title()+" "+self.last_name.title()+","+self.age+".")
    def greet_user(self):
        print("Hello,"+self.first_name.title()+".How are you?")
    def increment_login_attempts(self):
        self.login_attempts += 1
        print("Login_Attempts:"+(str)(self.login_attempts))
    def reset_login_attempts(self):
        self.login_attempts = 0
        print("Login_Attempts:"+(str)(self.login_attempts))